If you want to be notified when someone tweets about you, your company, brand, favorite products or just about anything else you care about, TweetAlarm can help. Using this simple online utility you can track all public tweets for certain keywords and receive Twitter alerts vie email whenever they appear on Twitter. It is just like Google Alerts but only for Twitter.

To get started, first sign up on the site. Next add the keywords you want to track and you are all set. There is also an option to ignore tweets from users of your choice.